Properties of the Number 13631

Thirteen Thousand Six Hundred Thirty-One

Basics

Value: 13630 → 13631 → 13632

Parity: odd

Prime: No

Previous Prime: 13627

Next Prime: 13633

Digit Sum: 14

Digital Root: 5

Palindrome: Yes

Factorization: 43 × 317

Divisors: 1, 43, 317, 13631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010100111111

Octal: 32477

Duodecimal: 7A7B

Hexadecimal: 353f

Square: 185804161

Square Root: 116.75187364663576

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers whose multiset multisystem (A302242) is crossing. A324170

Palindromic in bases 10 and 24. A250409

Numbers k such that A145768(k) is a square. A145827

Numbers k such that 16·3^k + 1 is prime. A387060

Numbers that are the product of two distinct primes a and b, such that a³+b³ is the average of a twin prime pair. A176876

a(n) = n*(15·n-11)/2. A226489

Semiprimes in A033951. A113691

Consider sequence of fractions A066657/A066658 produced by ratios of terms in A066720; let m = smallest integer such that all fractions 1/n, 2/n, ..., (n-1)/n have appeared when we reach A066720(m) = k; sequence gives values of m; set a(n) = -1 if some fraction i/n never appears. A66849

Row sums of triangle A134349. A134350

Numbers k such that prime(k-1) + 7 is square and equal to prime(k+1) - 1. A158470